Choose a script for the calendar-based task scheduler?

Question

CMS

Hello! I appeal to the universal mind in the face of each individual habrauser, since I could not solve the issue alone with Google.
I need to find an open-source script to install on my server (preferably unix) that would have the functionality of a calendar-based task scheduler:
- users look when someone is free
- users give tasks to each other
- calendars are available in public access, and ideally have export to ical
Ideally, if it were within the framework of a cool crm or erp system, from where you can gracefully turn off all unnecessary functionality and then, if necessary, connect it. ideally, if the system would have an api.
There is no need for the system to be weighted by default with crm-things such as projects, commands - I don’t need this, and persuasion will not allow me to give users several pages of instructions for such an easy task.
Tell a noob in the crm area, please :)

Answer 1

owncloud.org has a calendar. ical is also available. There is some kind of API, but it's a bit vague.

Answer 2

in general, what you want to get as a script can be relatively relatively called, because according to the declared functions, this is serious software with a connection to the database.
If you still don’t want to hang forever within Excel, then you still need CRM
, for my part, I want to recommend the online CRM iDiGonizer - it also has a free version where you can use the Case module to solve your problems - collaboration is also possible here , you can set and control the execution of tasks, work with projects, there is a calendar-planner of working hours with iCal import and an event reminder system
in the paid version, you can turn off or add everything that your heart desires
and even stick your own corporate identity or even come up with your own interface,
and most importantly, in my opinion, no crap with scripts and dances with tambourines, maybe the system, just registered and started working